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cds- Question :

Rupa and Sachin observed an animal in their school garden. Rupa called it an insect while Sachin identified it as an earthworm. Which one of the following characteristics confirms that it is an insect ?

A :

The animal had jointed legs.

B :

Body of the animal had very little segmentation.

C :

Body of the animal was cylindrical.

D :

Body of the animal was bilaterally symmetrical.

cds- Question :

Which one of the following is common among parrot, platypus and kangaroo?

A :

Oviparity

B :

Toothless jaws

C :

Homothermy

D :

Functional postanal tail

cds- Question :

The plant dye Henna imparts orange-red colour to skin and hairs due to its reaction with which of the following?

A :

Proteins and amino acids

B :

Lipids

C :

Carbohydrates

D :

Nucleic acids

cds- Question :

Which one of the considered as the drug of last resort for human being?

A :

Penicillin

B :

Tetracycline

C :

Chloramphenicol

D :

Streptomycin

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